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free/busy data could not be retrieved

I'm working on a transition from Exchange 2003 to 2010 and the availability information is not showing up in scheduling. All mailboxes have been moved, PF have been replicated including Schedule + free/busy. We are ready to remove the Exchange 2003 server and the last step we did was to remove the connecter between 2003 and 2010. The next step is to remove the Exchange 2003 server . Is the 'remove server' task in Exchange 2003 ESM enough, or do I have to actually do an uninstall of 2003.?
Test Email Autoconfiguration, shows no errors, auto-discover seems to be working properly, except for a Cert Warning because the site name is not on the cert. At what point does 2010 begin to use the availability service instead of looking at the legacy FB info.?
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technosavy
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technosavy
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2 Solutions
 
Deepu ChowdaryCommented:
Remove server task in ESM is enough. As you have removed connector and also nw 2010 is holding everything, just remove it from 2003 esm.
It is enough.
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HeshamMousaCommented:
its prefered to do a clean uninstall for your exchange 2003 server before trying any other solution
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technosavyAuthor Commented:
Removed legacy 2003 server ; I used ADSIEdit because we no longer cared about the remaining data in the PF / Mbx ; it was the quickest way. Had I used ESM to 'remove' the server , I would still be here trying to remove all of the minisucal items from a legacy system that we don't need. ESM would not remove because of many errors.

My problem still remains though - the availability of schedules is not showing up. OWA is working. Outlook shows Hash Marks /// no information.  Could this be related to a replica of the free/busy + schedule folder in PF , system folders. I tried to delete it but was denied access. ? How do I get Exchange 2010 to use the availability service.?

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technosavyAuthor Commented:
related to requiring SSL on Autodiscover and turning off Forms Authentication on EWS.
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technosavyAuthor Commented:
I answered the question myself, after much work.
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